1 Kings 16:23-24

23In the thirty-first year of Judah’s King Asa, Omri became king over Israel, and he reigned twelve years. He reigned six years in Tirzah,

24then he bought the hill of Samaria from Shemer for 150 pounds of silver, and he built up the hill. He named the city he built Samaria based on the name Shemer, the owner of the hill.